MCP Security in Claude Code
Building Secure MCP Servers — Best Practices (as of 02 Jul 2026) (Beginner Guide)
Concrete security practices for developers building MCP servers: input validation, prompt-injection defense, least-privilege tool design, secret management, OAuth 2.1 auth, rate limiting, transport hardening, and output sanitization — as of 02 Jul 2026.
MCP Security Fundamentals — Best Practices (as of 02 Jul 2026)
What the Model Context Protocol specification actually provides (and omits) for security: transport requirements, OAuth 2.1 auth, prompt injection via tool results, permission scoping, DNS rebinding, supply-chain risks, and real CVEs — as of 02 Jul 2026.
MCP Security Fundamentals — Best Practices (Beginner Guide) (as of 02 Jul 2026)
What the Model Context Protocol specification actually provides (and omits) for security: transport requirements, OAuth 2.1 auth, prompt injection via tool results, permission scoping, DNS rebinding, supply-chain risks, and real CVEs — as of 02 Jul 2026.
MCP Security in Claude Code — Best Practices (as of 02 Jul 2026)
How to securely configure, discover, and use MCP servers when Claude Code is the client — covering permission modes, trust settings, sandboxing, tool restrictions, audit logging, and documented real-world incidents (CVE-2025-68143/144/145, CVE-2026-21852) — as of 02 Jul 2026.
MCP Security in Claude Code — Best Practices (Beginner Guide) (as of 02 Jul 2026)
How to securely configure, discover, and use MCP servers when Claude Code is the client — covering permission modes, trust settings, sandboxing, tool restrictions, audit logging, and documented real-world incidents (CVE-2025-68143/144/145, CVE-2026-21852) — as of 02 Jul 2026. Written for people new to AI, Claude Code, and the command line.
Building Secure MCP Servers — Best Practices (as of 02 Jul 2026)
Concrete security practices for developers building MCP servers: input validation, prompt-injection defense, least-privilege tool design, secret management, OAuth 2.1 auth, rate limiting, transport hardening, and output sanitization — as of 02 Jul 2026.
Prompt Engineering for GitHub Copilot — Best Practices (as of 01 Jul 2026)
Concrete, source-verified practices for getting better results from GitHub Copilot — covering .github/copilot-instructions.md, Copilot Chat, inline completions, agent mode, and the June 2026 billing transition.
Cursor for Beginners — Best Practices (as of 01 Jul 2026)
Plain-language guide to getting better results from Cursor AI — covering rules files, chat modes, context tools, and the most important safety warnings. No prior AI coding experience needed.
Cursor Prompt Engineering — Best Practices (as of 01 Jul 2026)
Concrete, source-verified best practices for getting better results from Cursor AI — covering .cursor/rules/ files, activation types, Chat vs Agent mode, context tools (@codebase, @docs, @file, @web), and what to avoid.
Prompt Engineering for Claude Code — Best Practices (as of 01 Jul 2026)
Concrete, source-verified practices for getting better results from Claude Code: writing effective CLAUDE.md files, managing context, using subagents, hooks, and staying safe.
Prompt Engineering for GitHub Copilot — Beginner Guide (as of 01 Jul 2026)
Plain-language practices for getting better results from GitHub Copilot — written for someone who just installed Copilot and has never used an AI coding tool before.
Prompt Engineering for Claude Code — Beginner Guide (as of 01 Jul 2026)
Plain-language, safety-first guide for using Claude Code effectively when you are brand new to AI coding tools. Same verified facts as the technical entry, re-written for first-timers.
Prompt Engineering for Coding Agents — Beginner Guide (as of 30 Jun 2026)
Plain-English guide to getting better results from AI coding tools — covering universal habits every beginner needs, plus a focused look at Claude Code. No software engineering background required.
Prompt Engineering for Coding Agents — Best Practices (as of 30 Jun 2026)
Concrete, source-verified practices for getting better results from AI coding agents — covering universal prompt hygiene plus tool-specific guidance for Claude Code, GitHub Copilot, and Cursor.
Running AI Agents on Ubuntu — Beginner Guide (as of 29 Jun 2026)
A plain-language guide to installing and safely running AI agents (Claude Code, Codex CLI, Gemini CLI) on Ubuntu for the first time. Every practice is fact-checked; no step is added that was not already in the 2026-06-28 technical entry.
Running AI Agents on Ubuntu — Best Practices (as of 29 Jun 2026)
A dated, fact-checked guide to running Claude Code, Codex CLI, and Gemini CLI on Ubuntu. Research verified 26 Jun 2026; all 28 source URLs re-confirmed live 29 Jun 2026. 0 fabrications.